The Seat,adjusting Screw, cataloged under National Stock Number 4820-00-185-9836, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Watts Regulator Company. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-185-9836 |
| Primary Part Number | 45A62 |
| Item Name | Seat,adjusting Screw |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Watts Regulator Company |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL 16 GAGE STEEL,ROUND,15/16 IN. OD,CUP 5/16 IN. SPHERICAL RADIUS,1/4 IN.TOTAL THICK AFTER CUPPING IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 4820-00-185-9836 is a Seat,adjusting Screw, manufactured by Watts Regulator Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-185-9836 has 2 manufacturer part numbers on file: 45A62 (Watts Regulator Company), 62502 (Jenny Products, Inc).
2 possible matches (shared part number, not a government interchangeability claim): 3020-00-315-4962, 6530-01-183-3607. Verify interchangeability with system specifications before substitution.
Key specifications for 45A62: General Characteristics Item Description: MATERIAL 16 GAGE STEEL,ROUND,15/16 IN. OD,CUP 5/16 IN. SPHERICAL RADIUS,1/4 IN.TOTAL THICK AFTER CUPPING IN; End Item Identification: 43105953867. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.